drawQuadrant

gistfile1.txt

	/*
	*	countPerLine 每行个数
	*	qWidth 象限宽度 qHeight 象限高度
	*	sHeihgt 象限间隔
	* 	x1,y1 左上角 x2,y2 右上角
	*/
	File.prototype.drawQuadrant = function( countPerLine, qWidth, qHeight, sHeight){
		var self = this;
		countPerLine 	= countPerLine 	? countPerLine	: 4 	;
		qWidth 			= qWidth 		? qWidth 		: 150	;
		qHeight 		= qHeight		? qHeight		: 150	;
		sHeight 		= sHeight		? sHeight		: 220	;
		self.quadrant 	= [];

		var countQuad = self.fileList.find('li[id^=file-id]').length;

		for( i = 0; i < countQuad; i++){
			var x1 = qWidth * ( i % countPerLine ) ;
			var y1 = sHeight * parseInt( i / countPerLine ) ;
			var x2 = x1 + qWidth ;
			var y2 = y1 + qHeight ;
			var tmp = {'index': i , 'x1':x1, 'y1':y1, 'x2':x2, 'y2':y2 };
			self.quadrant.push(tmp);
		}

	};